The CCB Long Card physical card has a 7-digit number after the signature field of the card. The first 4 digits are the last 4 digits of the customer's card number, and the last 3 digits are the security check code for security management. When customers use credit cards for special transactions such as TV, phone shopping and online shopping, the card issuer uses it to verify the customer's identity. The card information inquiry method for CCB virtual card credit card (such as Long Card e-Payment Card, Long Card Loan Bar) is as follows: 1. Through the mobile banking "Credit Card-Card Service-Card Service-Virtual Card" menu, select the card to be queried and click "Show" Card information" query. 2. Use the mobile phone reserved with the credit card to edit the text message "CCXX#16-digit card number#last 6 digits of ID card" to 95533 to obtain it. Note: You can check the security code, validity period and card number through mobile banking; you can check the security code and validity period through SMS.

(In case of business changes, please refer to the actual situation.)